#include <iostream>
using namespace std;
int main()
{
int eat,sleep,mood;
cin>>eat>>sleep>>mood;
if(eat>=80&&sleep>=80&&mood>=80)
cout <<"新三好";
else
if(eat<80&&sleep>=80&&mood>=80||eat>=80&&sleep>=0&&mood<80||eat>=80&&sleep<80&&mood>=80)
cout <<"双优生";
return 0;	
}
